Discover the forgotten story of the hole in the ozone layer and how the world came together to fix it. Hear from the scientists and politicians who persuaded Ronald Reagan and Margaret Thatcher to take action and solve the planetary problem.

Henry Louis Gates, Jr. presents the definitive history of the transformative years following the American Civil War, when the nation struggled to rebuild itself amidst profound loss, massive destruction and revolutionary social change.

Radio host Joe Madison receives startling family news, and series host Henry Louis Gates, Jr. learns his own DNA story. Also features the 'Finding Your Roots: The Seedlings' STEM Camp, with science and history inspiring the next generation.

Kevin learns about in-counter outlets, Tommy visits former apprentice Nathan Gilbert and Norm teaches Carly how to frame a skylight. On Ask This Old House, Jenn upgrades an irrigation system and Kevin builds an outdoor chair with Jimmy DiResta.

Travel to the rural South as Elder Burch, Charley Patton and others record early Delta blues, gospel and protest songs. The Great Flood of 1927 devastates Mississippi River communities, leading to northern migration and Chicago Blues by Howlin' Wolf.

Birthday parties and baby naming ceremonies all wish for the same thing-a long life. Longevity is symbolized by the noodle in Chinese culinary culture with more kinds of noodles than one can possibly imagine.

Birthday parties and baby naming ceremonies all wish for the same thing-a long life. Longevity is symbolized by the noodle in Chinese culinary culture with more kinds of noodles than one can possibly imagine.

Shot in Bangladesh, Bhutan, China, India, Mongolia, Nepal and Pakistan, the film explores the dramatic and far-reaching effects of the Indian and Asian tectonic plates crashing below the Himalayas and their impact on the region's geology, climate and people. It also reveals how the Indian-Asian plate coll...

Understanding the Opioid Epidemic will combine stories of people and communities impacted by this epidemic along with information from experts and those at the frontlines of dealing with the epidemic. The program will trace the history of how the nation got into this situation and provide po...

Shot in Bangladesh, Bhutan, China, India, Mongolia, Nepal and Pakistan, the film explores the dramatic and far-reaching effects of the Indian and Asian tectonic plates crashing below the Himalayas and their impact on the region's geology, climate and people. It also reveals how the Indian-Asian plate coll...

Understanding the Opioid Epidemic will combine stories of people and communities impacted by this epidemic along with information from experts and those at the frontlines of dealing with the epidemic. The program will trace the history of how the nation got into this situation and provide po...

Citizen scientists track air and water pollution at fracking sites in windswept Wyoming and five other states, using simple but science-based techniques developed by the 'Bucket Brigade.' On idyllic East Coast trout streams, volunteers from Trout Unlimited monitor water quality regularly, ...

Discover the forgotten story of the hole in the ozone layer and how the world came together to fix it. Hear from the scientists and politicians who persuaded Ronald Reagan and Margaret Thatcher to take action and solve the planetary problem.

Citizen scientists track air and water pollution at fracking sites in windswept Wyoming and five other states, using simple but science-based techniques developed by the 'Bucket Brigade.' On idyllic East Coast trout streams, volunteers from Trout Unlimited monitor water quality regularly, ...

Discover the forgotten story of the hole in the ozone layer and how the world came together to fix it. Hear from the scientists and politicians who persuaded Ronald Reagan and Margaret Thatcher to take action and solve the planetary problem.